Insight certainty 4/5 debate potential 2/5

Rocha: Build MCP servers around core use cases, not full API spec

Zeno Rocha · Automating Developer Email with MCP and AI Agents · Mar 21, 2025 · at 34:57

Zeno Rocha is the founder and CEO of Resend. He shares design advice for software engineers creating Model Context Protocol (MCP) integrations for AI agents.

0:00 / 0:18exact quote · 19.0s
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“Don't start through, like via the API, like just grabbing your open API spec and generating an MCP server. No, start from the use case. What are people actually doing with your product? And then you build, like, you don't need full coverage of your API, just the most important things.”

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More from Zeno Rocha

Prediction Not checkable as stated
Rocha: AI agents will soon perform majority of digital actions over humans
“I think we're going to see a big shift in terms of who is the actor, who is the creator. And I believe it's going to be the majority of the actions will be taken by agents instead of humans.”
Zeno Rocha Mar 21, 2025 ▶ 0:14 Automating Developer Email with MCP and AI Agents
Insight
Rocha: SaaS companies should reevaluate blocking bot signups via reCAPTCHA
“So even like small things like adding reCAPTCHA on the signup, To prevent bots. Now you have to think, do you really want to prevent bots from signing up? Maybe you don't, right?”
Zeno Rocha Mar 21, 2025 ▶ 1:36 Automating Developer Email with MCP and AI Agents
Prediction Not checkable as stated
Rocha: AI agents will communicate directly with each other via email
“I guess the difference now is that we're going to be living in a world where agents are talking to other agents and these agents are sending emails, but also receiving and parsing and sending to another inbox that is also powered by agents that's parsing, taki…”
Zeno Rocha Mar 21, 2025 ▶ 7:00 Automating Developer Email with MCP and AI Agents
Opinion
Rocha: Basic LinkedIn customization is insufficient for AI SDR tools
“You see all these SDR tools and you know, it's great that we're seeing a revolution there, but just customizing based on your last LinkedIn message, it's not going to be enough.”
Zeno Rocha Mar 21, 2025 ▶ 10:19 Automating Developer Email with MCP and AI Agents
Assertion Not checkable as stated
Rocha: Uber designer spent two weeks prototyping with Cursor instead of Figma
“This is a designer that works at Uber, and he was telling me how, like, for the past two weeks, he didn't open Figma. He was just building all these prototypes using Cursor, using vZero, using these tools that are now available for folks.”
Zeno Rocha Mar 21, 2025 ▶ 13:24 Automating Developer Email with MCP and AI Agents
Prediction Not checkable as stated
Rocha: OpenAI adopting MCP would make it the de facto AI protocol
“Imagine if open AI adopts that, then it's over, you know, like that will be the de facto protocol.”
Zeno Rocha Mar 21, 2025 ▶ 21:12 Automating Developer Email with MCP and AI Agents
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